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A phase-field model for creep behavior in nickel-base single-crystal superalloy: Coupled with creep damage
Yang, M; Zhang, J; Wei, H; Gui, WM; Su, HJ; Jin, T; Liu, L; Zhang, J (reprint author), Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Shaanxi, Peoples R China.; Jin, T (reprint author), Chinese Acad Sci, Inst Met Res, Superalloys Div, Shenyang 110016, Liaoning, Peoples R China.
2018-04-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume147Pages:16-20
AbstractThis paper focuses on the simulation of microstructural evolution during the three stages of creep in nickel-base single-crystal superalloys. A phase-field model coupled with a single-crystal plasticity model is developed in this paper. The creep damage and gamma'-shearing during tertiary creep are considered in the phase-field model for the first time. The complete evolutions of gamma'/gamma phases during all three stages of creep are primarily simulated, and the simulated creep curve shows typical three creep deformation stages. The distribution of plastic strain is illustrated to analyze the morphological evolution and creep mechanism. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.; This paper focuses on the simulation of microstructural evolution during the three stages of creep in nickel-base single-crystal superalloys. A phase-field model coupled with a single-crystal plasticity model is developed in this paper. The creep damage and gamma'-shearing during tertiary creep are considered in the phase-field model for the first time. The complete evolutions of gamma'/gamma phases during all three stages of creep are primarily simulated, and the simulated creep curve shows typical three creep deformation stages. The distribution of plastic strain is illustrated to analyze the morphological evolution and creep mechanism. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
description.department[yang, min ; zhang, jun ; su, haijun ; liu, lin] northwestern polytech univ, state key lab solidificat proc, xian 710072, shaanxi, peoples r china ; [wei, hua] zhejiang univ, ctr centrifugal hypergrav res, hangzhou 310058, zhejiang, peoples r china ; [gui, weimin ; jin, tao] chinese acad sci, inst met res, superalloys div, shenyang 110016, liaoning, peoples r china
KeywordNi-based Superalloys Deformation Simulation Transformations Plasticity Evolution Alloys
Subject AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51331005, 51631008, 51771148, 51371173, 51690163]; National Key Research and Development Program [2017YFB0702902, 2016YFB0701405]; Research Fund of State Key Laboratory of Solidification Processing in NWPU [SKLSP201318]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79410
Collection中国科学院金属研究所
Corresponding AuthorZhang, J (reprint author), Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Shaanxi, Peoples R China.; Jin, T (reprint author), Chinese Acad Sci, Inst Met Res, Superalloys Div, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Yang, M,Zhang, J,Wei, H,et al. A phase-field model for creep behavior in nickel-base single-crystal superalloy: Coupled with creep damage[J]. SCRIPTA MATERIALIA,2018,147:16-20.
APA Yang, M.,Zhang, J.,Wei, H.,Gui, WM.,Su, HJ.,...&Jin, T .(2018).A phase-field model for creep behavior in nickel-base single-crystal superalloy: Coupled with creep damage.SCRIPTA MATERIALIA,147,16-20.
MLA Yang, M,et al."A phase-field model for creep behavior in nickel-base single-crystal superalloy: Coupled with creep damage".SCRIPTA MATERIALIA 147(2018):16-20.
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